.c_pop {
  position: relative;
  z-index: 9;
  height: 100%;
  margin: 0 10px;
  border-radius: 8px;
  background: #000;
  opacity: 0.7;
  filter: alpha(opacity:70);
}

.c_pop_trigon {
  position: absolute;
  width: 0;
  height: 0;
}

.c_pop_trigon {
  z-index: -1;
  left: 50%;
  margin-left: -6px;
  bottom: -8px;
  border-top: 8px solid #000;
  border-left: 8px solid transparent;
  border-right: 8px solid transparent;
}

.c_pop_cont {
  padding: 10px;
  font-size: 600;
  text-align: center;
  color: #fff;
}